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Finding the Third Proportional to 36,720 and 49,344

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Solution

The third proportional to 36,720 and 49,344 is: 66,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720 : 49,344 = 49,344 : x
  2. Step 2: Convert to fraction form
    36,720/49,344 = 49,344/x
  3. Step 3: Cross multiply
    36,720x = 49,344 × 49,344
  4. Step 4: Simplify right side
    36,720x = 2,434,830,336
  5. Step 5: Solve for x
    x = 2,434,830,336/36,720
  6. Step 6: Final answer
    x = 66,308.02

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.